GB1228583A - - Google Patents

Info

Publication number
GB1228583A
GB1228583A GB1124967A GB1228583DA GB1228583A GB 1228583 A GB1228583 A GB 1228583A GB 1124967 A GB1124967 A GB 1124967A GB 1228583D A GB1228583D A GB 1228583DA GB 1228583 A GB1228583 A GB 1228583A
Authority
GB
United Kingdom
Prior art keywords
signal
signals
registers
register
transducer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1124967A
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1228583A publication Critical patent/GB1228583A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
GB1124967A 1967-04-27 1967-04-27 Expired GB1228583A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1124967 1967-04-27

Publications (1)

Publication Number Publication Date
GB1228583A true GB1228583A (enExample) 1971-04-15

Family

ID=9982759

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1124967A Expired GB1228583A (enExample) 1967-04-27 1967-04-27

Country Status (3)

Country Link
US (1) US3716784A (enExample)
DE (1) DE1766275A1 (enExample)
GB (1) GB1228583A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831088A (en) * 1973-08-01 1974-08-20 Us Navy Pulsed signal phase lock spectral purity measuring apparatus

Also Published As

Publication number Publication date
US3716784A (en) 1973-02-13
DE1766275A1 (de) 1971-06-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years